Draeger DM 40

  Main IndexPhotos Draeger DM 40

 

DATASHEET SEMICLOSED REBREATHER

Dräger DM40

Date: 11 Maart 2005

Mischgas Helmtauchgerät

Database semi closed rebreathers by: J.W. Bech

Manufacturer

Dräger

 

Model

DM40

 

Land of origin

Germany

 

Design year

1912

Patent:DE 271829

Special Note: 

 

 

User group

Military/ Civil

 

Magnetic caracteristics

-

 

Part no:

injektor

 

Working principle

Constant Mass Flow

By restriction

Gas type

Oxygen – Air mix

 

Oxygen content in % in the Dräger Model DM 40 after a divetime of:

Depth

0

10

20

30

50

70

90

120

150

180

0 m

21

28,5

33

36

38

39

39,5

40

40

40

10 m

21

27

31

34,5

38

39

40

42

42

42

20 m

21

26

30

33

37

39

40

42

42

43

30 m

21

26

30

33

37

40

42

43

43

45

40 m

21

26

29,5

33

37

40

42

44

45

46

50 m

21

25,5

29,5

32,5

37

40,5

42

44

45

46

Intended use

Salvage, Standard UW work, Research, repair, military

 

Dimensions LxWxH transport box

865 x 400 x 475 mm

 

Device weight of box 1 and 2 together

196 kg

 

Signal line length

50 m

 

Telephone line length

50 m

 

Air cylinder

2,8 liter

 

Max. pressure

200 bar

 

Oxygen cylinder

2,8 liter

 

Max. pressure

200 bar

 

Aircylinder mounted on chest

2 x 1 liter

 

Max. pressure

200 bar

 

Usage time

180 min

 

Max depth

40 mtrs

 

Used material for housing/backplate

Copper / steel

 

Pressure reducer

Membrane type

 

Supply pressure

200 bar, minimum 30 bar

 

Metering

3,6 l/min of air/oxygen mix

 

Cylinder material

Steel

 

Co2 absorption cartridge capacity

2,1 Kg Drägersorb

 

Co2 absorption cartridge rechargeable

Yes

 

Absorption time

3 hours

 

Air circulation

90 – 100 l/min

 

Under and overpressure of the injector

10-11 cm WK

 

Worn

On the back

 

 

 

 

Extra info:

 

 

Additional information:

 

 

Email address owner:

 

 

 

 

 

If you have any information to add this sheet please mail it to jw.bech@quicknet.nl References to source and names will always be added!  

 

Info found:

 

Origin: http://www.therebreathersite.nl

 

Info: Additional information on request.

 

 

 

                       

 

 
There are several excellent pages about the Dräger DM 40 check these out:
DM 40 information thanks  to Jan de Groot of Nautiek diving. http://www.nautiekdiving.nl/
http://www.rebreathers.de/de/modelle/scr/dm40/dm40.php
http://www.helmtaucher.de/erste_tauchversuche_mit_dem_draeger_dm_40.htm
http://www.helmtaucher.de/das_dm40.htm
http://www.divingheritage.com/drager.htm
 

Top of page